Thanks alanrr,
No radio, but I was a bit concerned that running non resistor plugs might affect other peoples kart or off track electronics. If you don't think it's an issue then I'll stick with the normal B10 or B9's.
With regards to the cylinders, the crosshatching is little diminished in places, but as some of my bores are on the max piston size (dia 48.75 - I believe) going any larger gets a bit complicated. Most of the larger short stroke 49.0 mm series pistons seem to have a shorter pin centre to crown height, so I think the base of the barrel would have to be machined down to compensate. I was therefore hoping that a light hone would get a little more use out of them. If you think that seems reasonable, could you advise on what grit range should be used?
Thanks again,
Keith
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